Name: 
 

General Knowledge 1



True/False
Indicate whether the statement is true or false.
 

 1. 

The minimum tread depth required for all tires other than front tires is 2/32 of an inch.
 

 2. 

In order to test hydraulic brakes for leaks, you pump the brake pedal three (3) times, then apply firm pressure to the pedal and hold for five (5) seconds.
 

 3. 

You may bring a “vehicle inspection memory aid” with you to take the state CDL vehicle inspection test.
 

 4. 

True or false: the following is the order of the seven (7) step vehicle inspection process:

Vehicle overview
Check engine compartment
Start engine and inspect inside of cab
Turn off engine and check lights
Do a walk-around inspection
Check signal lights
Start engine and check brake system
 

 5. 

When backing, always back toward the driver’s side whenever possible.
 

 6. 

When backing, a “pull-up” may be necessary to reposition your vehicle.
 

 7. 

When backing, there are blind spots that the driver cannot see, so a driver should use a helper whenever possible to help guide the vehicle.
 

 8. 

When backing, as soon as you see the trailer drifting off of the proper path, correct the drift by turning the top of the wheel in the direction of the drift.
 

 9. 

You should never downshift automatic transmissions when going down a grade.
 

 10. 

A vehicle “retarder” helps slow a vehicle down without using the brakes.
 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 11. 

What is the most important reason for doing a vehicle inspection?
a.
To keep the manufacturer’s warranty.
b.
Better fuel mileage.
c.
Safety to yourself and other road users.
d.
You are required to do it by law.
 

 12. 

What things should you check during a trip?
a.
Gauges for signs of trouble.
b.
Tires, wheels and rims.
c.
Brake, electrical and coupling connections to the trailer.
d.
Cargo securement devices.
e.
All of the above.
 

 13. 

Which of the following is a key steering system part that should be checked during a vehicle inspection?
a.
Spring hanger.
b.
Tie rod.
c.
Brake pad.
d.
Pitman arm.
e.
Both b and d.
 

 14. 

Which of the following is NOT a suspension system defect?
a.
Cracked torque rod.
b.
Bent tie rod.
c.
Broken or cracked leaf in leaf spring.
d.
Leaking shock absorber.
e.
Cracked spring hanger.
 

 15. 

Which of the following air suspension parts should be checked during a vehicle inspection?
a.
Broken or cracked control arm.
b.
Leaking air bellow.
c.
Air bellow support bracket broken.
d.
All of the above.
 

 16. 

Which of the following is emergency equipment that a vehicle MUST have?
a.
Fire extinguisher.
b.
Flashlight.
c.
Warning devices for parking such as reflective triangles.
d.
a and b.
e.
a and c.
 

 17. 

The minimum tread depth for front tires is:
a.
2/32 of an inch.
b.
4/32 of an inch.
c.
One inch.
d.
.32 inches.
e.
None of the above.
 

 18. 

Which of the following is NOT something that should be checked on the front of your vehicle during the walk-around part of the vehicle inspection?
a.
Check mirrors and windshield for cracks.
b.
Low beam headlights.
c.
Hazard warning flasher lights.
d.
Left and right turn signals.
 

 19. 

Wheel bearing seals should be inspected for what?
a.
Proper fill level.
b.
High heat.
c.
Leaking oil.
d.
Color.
 

 20. 

How many red reflective triangles should be in a truck?
a.
1.
b.
2.
c.
3.
d.
4.
 



 
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